@article{1077492654,
author = {Beckenbach, E. F.},
title = {Functions having subharmonic logarithms},
journal = {Duke Math. J.},
volume = {8},
number = {1},
year = {1941},
pages = { 393-400},
language = {en},
url = {http://dml.mathdoc.fr/item/1077492654}
}
Beckenbach, E. F. Functions having subharmonic logarithms. Duke Math. J., Tome 8 (1941) no. 1, pp. 393-400. http://gdmltest.u-ga.fr/item/1077492654/